| # Copyright 2020 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| description "Debugfs initialization script" |
| author "chromium-os-dev@chromium.org" |
| |
| # Initialize tracefs after it's mounted in the startup job (the chromeos_startup |
| # script). Labeling tracefs is compute intensive and is moved out of the |
| # critical path of boot. |
| start on stopped startup |
| # Other jobs that depend on this job need to wait unitl this job completes. |
| task |
| |
| # Disable OOM killer as we must never fail. |
| oom score never |
| |
| script |
| # Restore SELinux context for tracefs files. |
| if [ -f /sys/fs/selinux/enforce ]; then |
| # Launch a background job for the default instance. |
| restorecon -R /sys/kernel/debug/tracing \ |
| -e /sys/kernel/debug/tracing/instances & |
| # /sys/kernel/debug/tracing/instances contains non-default instances of |
| # tracefs (currently only drm). |
| # Launch a background job for each instance. |
| for dir in /sys/kernel/debug/tracing/instances/* ; do |
| if [ -e "${dir}" ]; then |
| restorecon -R "${dir}" & |
| fi |
| done |
| wait |
| fi |
| end script |
